I'm Just a Passerby in the World

A man, a beast, appeared at the beginning of the world. He witnessed the creation of this world and then traveled in this world. However, everything has a cause and effect. In the end, he understood the meaning of his existence and sacrificed it to the protagonist to become a god. He was the last level. After his death, he was resurrected. He also slowly embarked on the path of a villain, but he didn't know it at all. This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.